Olympique de Marseille Third Socks 2017-18 Complete the stand-out third kit with the vibrant purple Olympique de Marseille Third Socks 2017-18 . Continuing the white three stripe vertical design at the top, and featuring “OM” printed in to the fabric at the shins. Details : • OM graphic • Left and right specific • Anatomical cushioning • Mesh ventilation inserts